Managing Hazardous Waste The Refinery Hazardous Waste table shows the amount of hazardous waste excluding wastewater treated on-site. Refinery hazardous waste is broken out into:
Total = routine wastes + includes wastes generated from special projects, unit shut downs or other non-routine activities.
Routine waste - covers normal refinery operations.
The higher Total Waste numbers in 2006 were due to high disposal of catalyst and storage tank bottoms.
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2008 Hazardous Waste Management
Refineries
Chemical Plants*
Treatment
Tons
Percent
Tons
Percent
Treated Onsite
25,206
68.4
0
0.0
Landfilled Offsite
5,421
14.7
344
0.7
Deep Well Offsite
0
0.0
336
0.7
Recycled Onsite
2,801
7.6
47,863
97.7
Recycled/Reclaimed Offsite
3,316
9.0
286
0.6
Incinerated Offsite
66
0.2
133
0.3
Treated Offsite
23
0.1
0
0.0
Total
36,383
100.0
48,962
100.0
* Does not include 259 tons of wastes (for fuel blending offsite) from the polyethylene process unit at the Bayport Plant. The unit is operated by Sunoco, but is owned by Equistar Chemicals, L.P.
Refinery Hazardous Wastes
A majority of the waste (76.0 percent) consists of water and oil that are removed onsite and either treated in wastewater treatment plants or recycled through the refinery oil system.
A small percentage of refinery waste is either incinerated off-site (0.2 percent) or treated offsite (0.1 percent).
Chemical Plant Hazardous Wastes
Differ from refinery wastes as the majority has a high energy value or high BTU residues generated by the production processes.
These wastes are recycled onsite as fuel for industrial boilers or at an offsite location.
Majority (97.7 percent) of waste generated at chemical plants in 2008 was recycled on-site in facility boilers.
Main off-site waste management for the chemical plants was incineration (0.7 percent).
Assessments Sunoco conducts assessments of third-party waste transport, treatment and disposal facilities.
Third-party waste transport, treatment and disposal facility assessments
Total sites on Sunoco's master list
Approx. 300
New sites audited in 2008
15
Previously audited sites (re-audited in 2008)
25
Total sites audited in 2008
40
Sunoco has an Environmental Standard for Use of Off-Site Laboratories requiring all Sunoco Operating Units to ensure they are using an approved laboratory for off-site testing of wastewater, waste, groundwater, soils and air samples. Currently there are approximately 60 laboratories on the approved list.
